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In Memorium: Lloyd Snyder 1931 - 2018
by tom jupille » Wed Sep 19, 2018 8:00 pm
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0
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3688
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Last post by tom jupille
Wed Sep 19, 2018 8:00 pm
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Lubiprostone HPLC method
by wkhuang » Wed Jan 11, 2012 1:39 pm
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8
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7584
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Last post by Vlad Orlovsky
Tue Sep 18, 2018 3:17 pm
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New EP method for paracetamol
by jcwagner » Sun Sep 09, 2018 12:24 pm
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15
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6714
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Last post by dap
Tue Sep 18, 2018 6:13 am
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Not using UPLC for a week or longer between runs
by EmpowersBane » Sat Sep 15, 2018 9:51 am
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2
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3479
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Last post by EmpowersBane
Mon Sep 17, 2018 3:24 pm
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Derived channels for peak purity determination (Empower)
by Rob Burgess » Fri Sep 14, 2018 9:29 am
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1
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3469
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Last post by mattmullaney
Fri Sep 14, 2018 4:33 pm
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3-(1,2-Oxazolidone)
by ilycip2015 » Mon Sep 03, 2018 7:50 am
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3
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3422
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Last post by Vlad Orlovsky
Thu Sep 13, 2018 2:23 pm
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pH partition coefficent
by tubish81 » Wed Sep 05, 2018 7:41 pm
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8
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3723
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Last post by HPLCaddict
Sun Sep 09, 2018 4:41 pm
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problem at SPD-M10vp detector.
by CASABIOT » Wed Sep 05, 2018 4:29 pm
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3
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3433
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Last post by tom jupille
Fri Sep 07, 2018 7:06 pm
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1100 Series Modules showing as offline
by tylerkai » Wed Sep 05, 2018 2:56 pm
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2
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5176
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Last post by tylerkai
Thu Sep 06, 2018 8:25 pm
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Clearing a Shimadzu SIL-20A Fatal Error
by redzilla » Thu Jan 11, 2018 6:18 pm
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1
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6991
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Last post by WEH
Wed Sep 05, 2018 1:54 pm
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HPLC mobile phase
by syafiqah » Thu Aug 30, 2018 6:20 am
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3
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4528
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Last post by Rndirk
Tue Sep 04, 2018 6:39 am
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Impurities in new drug product
by chunduri.2009 » Wed Aug 08, 2018 2:29 pm
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4
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5395
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Last post by Geof235
Mon Sep 03, 2018 7:50 pm
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Analytical Method Validation Acceptance Criteria
by tubish81 » Sat Sep 01, 2018 5:41 pm
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7
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11452
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Last post by mattmullaney
Mon Sep 03, 2018 1:36 pm
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Cleaning Validation for Dexmedetomidine
by tubish81 » Sat Sep 01, 2018 6:13 pm
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1
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3456
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Last post by mattmullaney
Sat Sep 01, 2018 7:00 pm
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Problems with impurities separation and peak definition
by lismc » Thu Aug 30, 2018 11:56 am
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9
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4137
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Last post by mattmullaney
Fri Aug 31, 2018 8:39 pm
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Need a new Active Inlet Valve for a 1050
by wistar » Thu Aug 30, 2018 8:10 pm
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1
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3388
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Last post by Consumer Products Guy
Thu Aug 30, 2018 9:29 pm
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Varian HPLC PM
by lxBATESxl » Wed Aug 29, 2018 11:06 am
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0
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3426
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Last post by lxBATESxl
Wed Aug 29, 2018 11:06 am
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Interesting retention time shift
by Zoraku » Fri Aug 17, 2018 6:16 pm
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8
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4616
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Last post by Zoraku
Wed Aug 22, 2018 9:36 pm
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Waters 2695 GPV Problem
by clarkstill » Tue Aug 21, 2018 3:03 pm
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5
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6797
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Last post by clarkstill
Wed Aug 22, 2018 1:38 pm
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increased organic concentration in buffer - no change in RT
by alda8391 » Tue Nov 21, 2017 9:00 pm
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12
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4841
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Last post by mattmullaney
Tue Aug 21, 2018 9:20 pm
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Purge valve question on Waters 410 RI detector
by ecigtoxdoc » Thu Aug 09, 2018 7:44 pm
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1
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3642
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Last post by gstaepels
Mon Aug 20, 2018 9:28 am
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HPLC Method development course
by david_399 » Wed Sep 14, 2011 12:46 pm
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8
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5640
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Last post by Rob Burgess
Fri Aug 17, 2018 3:37 pm
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Agilent 1260 High pressure
by blakeyk » Mon Aug 13, 2018 4:53 pm
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5
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6124
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Last post by mattmullaney
Thu Aug 16, 2018 5:06 am
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Waters 2695 Torpedo Spring
by GoinBoardin » Fri Jul 27, 2018 6:41 pm
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3
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4367
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Last post by GoinBoardin
Wed Aug 15, 2018 6:16 pm
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C18 30 mm * 4.6 mm (2.4 uM) columns
by dap » Mon Aug 06, 2018 7:43 pm
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2
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3516
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Last post by mattmullaney
Sun Aug 12, 2018 1:04 am
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HPLC Retention time shifting
by lvan » Mon Aug 06, 2018 6:30 pm
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3
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7324
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Last post by lvan
Fri Aug 10, 2018 12:03 pm
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Possible to run gradients using Shimadzu FCV-10AL mixer?
by lespaul » Sun Aug 05, 2018 3:37 pm
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3
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5744
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Last post by lespaul
Thu Aug 09, 2018 7:05 pm
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Placebo Intereference
by ravin » Thu Jul 26, 2018 2:39 pm
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3
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4507
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Last post by HPLC chemist
Thu Aug 09, 2018 3:57 pm
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Analysis of Acrilamide by HPLC C18
by carol » Tue Aug 07, 2018 12:17 pm
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7
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5046
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Last post by Andy Alpert
Wed Aug 08, 2018 6:35 pm
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UV-linearity test failed
by moayed obeid » Fri Jul 20, 2018 4:17 pm
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1
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3483
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Last post by hplcguruguy
Mon Aug 06, 2018 5:41 pm
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HPLC Pump Seal wear in procedure?
by javaslinger » Tue Jul 31, 2018 4:13 pm
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4
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5314
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Last post by Multidimensional
Mon Aug 06, 2018 4:08 pm
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Problems with HPLC EDTA Assay
by dogmatta » Tue Mar 08, 2016 7:41 pm
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16
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11440
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Last post by soccerdad007
Wed Aug 01, 2018 11:34 pm
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HP1047A RID - connect to recorder or integrator A2D?
by lespaul » Sat Jul 28, 2018 4:13 pm
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4
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3808
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Last post by uzman
Mon Jul 30, 2018 7:27 pm
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Need Help Identifying UV Cell
by gapeev » Sun Jul 29, 2018 5:54 pm
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1
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3250
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Last post by uzman
Sun Jul 29, 2018 8:12 pm
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Acquity Sample Manager Wash Block Question
by Den » Sun Jul 29, 2018 3:41 pm
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0
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4277
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Last post by Den
Sun Jul 29, 2018 3:41 pm
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Waters 2414 RI sometimes has alarm on startup
by MikeL42 » Wed Jul 25, 2018 4:36 pm
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1
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3169
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Last post by Hollow
Thu Jul 26, 2018 7:39 pm
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who sells monoclonal antibody standards?
by Andy Alpert » Fri Sep 02, 2016 8:50 pm
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12
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6740
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Last post by Andy Alpert
Thu Jul 26, 2018 7:39 pm
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decreasing in retention time Vs. column deterioration
by fish.vegt » Tue Jul 24, 2018 4:20 pm
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3
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4116
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Last post by fish.vegt
Wed Jul 25, 2018 3:49 pm
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Ghost peaks with same intensity in every injection
by polakenzen » Wed Jul 19, 2017 12:04 pm
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16
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15444
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Last post by Ken99
Wed Jul 25, 2018 12:12 pm
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Chromatography in a nutshell
by deepzvr12 » Thu Jul 19, 2018 5:11 am
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2
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3565
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Last post by mattmullaney
Thu Jul 19, 2018 9:31 pm
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Filling empty space in a column heater
by Cardinal Fang » Sun Jul 15, 2018 11:06 am
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7
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3865
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Last post by mattmullaney
Wed Jul 18, 2018 8:51 pm
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Erratic pressure on Waters UPLC
by pratheepkh » Mon Jul 16, 2018 2:41 pm
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1
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3222
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Last post by Multidimensional
Mon Jul 16, 2018 6:09 pm
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UPLC sharp peaks but less response to HPLC ???
by tommylife1 » Thu Jul 12, 2018 3:21 pm
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8
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4743
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Last post by mattmullaney
Sun Jul 15, 2018 6:12 pm
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Waters H-Class variable standard areas
by EmpowersBane » Sat Jul 14, 2018 12:51 pm
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1
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2938
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Last post by Rndirk
Sun Jul 15, 2018 9:53 am
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Why my quantification standard is unstable?
by antonio_rosato » Thu Jul 05, 2018 5:40 am
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6
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3914
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Last post by antonio_rosato
Tue Jul 10, 2018 10:06 am
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Peak tailing in NP chiral LC
by Mike H. » Tue May 22, 2018 6:32 pm
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3
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3875
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Last post by Mike H.
Mon Jul 09, 2018 6:46 pm
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Shimadzu PDA SPD-M20A baseline drift
by justin_ea » Tue Jan 09, 2018 9:35 pm
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23
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9944
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Last post by lmh
Mon Jul 09, 2018 8:50 am
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System suitability test FAILED
by dhia djaadi » Fri May 11, 2018 10:23 am
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5
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4755
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Last post by dap
Thu Jul 05, 2018 3:40 am
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Question Regarding Acid/Buffer in Mobile Phase
by adam » Mon Jul 02, 2018 9:41 pm
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4
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3527
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Last post by danko
Wed Jul 04, 2018 6:24 am
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Peak Splitting
by Itsme » Wed Jun 20, 2018 11:40 pm
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2
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4152
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Last post by Itsme
Fri Jun 29, 2018 4:49 pm
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